diff options
| author |   Ingo Molnar <mingo@elte.hu> | 2008-03-31 14:52:15 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-17 17:41:34 +0200 |
| commit | 1725037f7232c1518b9be1832f5823b7c576c35c (patch) | |
| tree | 0922330f0b87fe40bd0f0855147c512a191d424b | |
| parent | x86: clean up non-smp usage of cpu maps (diff) | |
x86: set_cyc2ns_scale() remove prev scale
Peter Zijlstra pointed out that it's unused.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | arch/x86/kernel/tsc_32.c | 3 | ||||
| -rw-r--r-- | arch/x86/kernel/tsc_64.c | 3 |
2 files changed, 2 insertions, 4 deletions
diff --git a/arch/x86/kernel/tsc_32.c b/arch/x86/kernel/tsc_32.c index 68657d8526fb..3d7e6e9fa6c2 100644 --- a/arch/x86/kernel/tsc_32.c +++ b/arch/x86/kernel/tsc_32.c @@ -84,8 +84,8 @@ DEFINE_PER_CPU(unsigned long, cyc2ns); static void set_cyc2ns_scale(unsigned long cpu_khz, int cpu) { - unsigned long flags, prev_scale, *scale; unsigned long long tsc_now, ns_now; + unsigned long flags, *scale; local_irq_save(flags); sched_clock_idle_sleep_event(); @@ -95,7 +95,6 @@ static void set_cyc2ns_scale(unsigned long cpu_khz, int cpu) rdtscll(tsc_now); ns_now = __cycles_2_ns(tsc_now); - prev_scale = *scale; if (cpu_khz) *scale = (NSEC_PER_MSEC << CYC2NS_SCALE_FACTOR)/cpu_khz; diff --git a/arch/x86/kernel/tsc_64.c b/arch/x86/kernel/tsc_64.c index d3bebaaad842..ceeba01e7f47 100644 --- a/arch/x86/kernel/tsc_64.c +++ b/arch/x86/kernel/tsc_64.c @@ -44,8 +44,8 @@ DEFINE_PER_CPU(unsigned long, cyc2ns); static void set_cyc2ns_scale(unsigned long cpu_khz, int cpu) { - unsigned long flags, prev_scale, *scale; unsigned long long tsc_now, ns_now; + unsigned long flags, *scale; local_irq_save(flags); sched_clock_idle_sleep_event(); @@ -55,7 +55,6 @@ static void set_cyc2ns_scale(unsigned long cpu_khz, int cpu) rdtscll(tsc_now); ns_now = __cycles_2_ns(tsc_now); - prev_scale = *scale; if (cpu_khz) *scale = (NSEC_PER_MSEC << CYC2NS_SCALE_FACTOR)/cpu_khz; |